1. to a sufficient degree
; - Example: "she was sufficiently fluent in Mandarin"
The Collaborative International Dictionary of English v.0.48:
Sufficiently \Suf*fi"cient*ly\, adv.
To a sufficient degree; to a degree that answers the purpose,
or gives content; enough; as, we are sufficiently supplied
with food; a man sufficiently qualified for the discharge of
his official duties.
WordNet (r) 3.0 (2006):
adv 1: to a sufficient degree; "she was sufficiently fluent in
Mandarin" [ant: insufficiently]